Basically substituted 2,4-(1h,3h)-quinazolindione derivatives
Abstract
Abstract PHARMACOLOGICALLY VALUE, BASICIALLY SUBSTITUTED 2,4(1H,3H)-QUINAZOLINDIONE DERIVATIVES HAVING THE FORMULA 3-(R-CH2-CH(-OH)-CH2-),(R1)N-1,2,3,4-TETRAHYDRO- QUINAZOLINE-2,4-DIONE WHEREIN R STANDS FOR THE RADICAL SELECTED FROM THE GROUP CONSISTING OF DI-C1-C4-QLKYLAMINE, N-METHYL-BENZYLAMINE, N-METHYL-N-CYCLOHEXYLAMINO, N-METHYL-ALLYLAMINO, NMETHYL PIPERAZINO, N-METHYL-N-(PIPERIDINO-N-PROPYL)AMINO, N-METHYL-N-(METHOXY-N-PROPYL)-AMINO, HEXAMETHYLENE-IMINO, MORPHOLINO, THIO-MORPHOLINO, PYRROLIDINO AND PIPERIDINO, SAID RADICAL BEING BOUND VIA A NITROGEN ATOM; R1 STANDS FOR ALKOXY GROUPS HAVING 1 TO 4 CARBON ATOMS, WHICH ARE PREFERABLY IN THE 6,7 OR 6,7,8POSITION; AND N STANDS FOR THE INTEGERS 2 OR 3.
Inventors
- 👤 R Beyerle
- 👤 S Stachel
- 👤 A Stachel
- 👤 I Stachel
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |